<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${filterData.parentId}` }">{{filterData.parentName}}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{filterData.name}}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container" v-infinite-scroll="load">
      <el-tabs v-model="reqData.sortField" @tab-click="tabChange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body">
        <!-- 商品列表-->
        <GoodsItem :good='item' v-for="item in goodsList" :key="item.id" />
      </div>
    </div>
  </div>

</template>

<script setup>
import { onMounted, reactive, ref } from 'vue';
import { getCategoryFilterAPI, getSubCategoryAPI } from '@/apis/category'
import { useRoute } from 'vue-router'
import GoodsItem from '@/views/Home/components/GoodsItem.vue'
const route = useRoute()
let filterData = reactive({})
const getFilterData = async () => {
  const res = await getCategoryFilterAPI(route.params.id)
  filterData = Object.assign(filterData, res.result)
}

let goodsList = ref([])
let counts = 0
const reqData = reactive({
  categoryId: route.params.id,
  page: 1,
  pageSize: 100,
  sortField: 'publishTime'
})
const getGoodsList = async () => {
  const res = await getSubCategoryAPI(reqData)
  goodsList.value = [...goodsList.value, ...res.result.items]
  counts = res.result.counts
}
const tabChange = () => {
  reqData.page = 1
  getGoodsList()
}

const load = () => {
  if (counts > goodsList.value.length) {
    reqData.page++
    getGoodsList()
  }
}

onMounted(() => {
  getFilterData()
  getGoodsList()
})
</script>


<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }
}
</style>